437908 (2001 XW266)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4518742648 ± 3.15e-08
Semi-major axis (a)2.2843124794 AU ± 6.72e-09
Inclination (i)4.61573656° ± 1.99e-06
Long. of Asc. Node (Ω)205.71753713° ± 2.90e-05
Arg. of Perihelion (ω)90.01583289° ± 3.29e-05
Mean Anomaly (M)4.74986467° ± 1.07e-05
Mean Motion (n)0.2854821821°/day ± 1.26e-09
Perihelion dist (q)1.25209046 AU ± 7.20e-08
Aphelion dist (Q)3.31653450 AU ± 7.26e-08
Orbital Period3.45249667 yr ± 1.52e-08
Physical Parameters
H (abs. magnitude)19.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.238″
Uncertainty0
Orbit TypeAmor
MOID0.251229 AU
Observations Used251
Oppositions17
Arc Total2001-2025
First Observation Used2001-12-09
Last Observation Used2025-04-30
Observations (267)
Date Type RA Dec Mag Band Observatory
2022-10-21 11:53:41 C 02 00 17.708 +11 31 19.64 U F52
2022-10-21 12:18:54 C 02 00 16.381 +11 31 08.50 U F52
2022-10-27 06:45:33 C 01 53 36.006 +10 32 46.54 V G96
2022-10-27 06:53:00 C 01 53 35.628 +10 32 43.40 V G96
2022-10-27 07:00:28 C 01 53 35.261 +10 32 39.52 V G96
2022-10-27 07:07:56 C 01 53 34.912 +10 32 36.71 V G96
2022-10-29 15:45:19 C 01 51 01.76 +10 10 12.9 V D29
2022-10-29 16:05:41 C 01 51 00.90 +10 10 04.1 V D29
2022-10-31 07:50:38 C 01 49 18.534 +09 54 59.58 U F52
2022-10-31 08:06:16 C 01 49 17.835 +09 54 53.81 U F52
2022-10-31 08:22:02 C 01 49 17.141 +09 54 47.87 U F52
2022-10-31 08:37:57 C 01 49 16.430 +09 54 42.00 U F52
2025-03-31 07:45:44 C 11 28 32.812 -00 21 46.48 X F51
2025-03-31 08:02:20 C 11 28 32.029 -00 21 40.03 X F51
2025-03-31 08:18:58 C 11 28 31.235 -00 21 33.36 X F51
2025-04-30 14:04:44 C 11 05 58.907 +03 32 01.12 W O18
2025-04-30 15:34:29 C 11 05 57.757 +03 32 19.42 W O18